US PATENT SUBCLASS 83 / 257
.~ Work advance occurs during return stroke of tool

Current as of: June, 1999
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83 /   HD   CUTTING

202  DF  TOOL ENGAGES WORK DURING DWELL OF INTERMITTENT WORKFEED {40}
257.~ Work advance occurs during return stroke of tool

DEFINITION

Classification: 83/257

(under subclass 202) Device wherein the work-feeding motion is timed to take place while the tool is being withdrawn from the work after its cutting function has been performed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

218, for a tool which has work-feeding motion in addition to its cutting and retraction motion.

229, for work-feed means driven by tool or tool support during return movement of the tool.